Google and Microsoft have one advantage : they are already successfully selling to the enterprise(Google apps, Windows platform). Amazon is still in the process

Google and Microsoft have one advantage : they are already successfully selling to the enterprise(Google apps, Windows platform). Amazon is still in the process of figuring that one out. Google and Microsoft are also not afraid to compete in price, combined with the above it makes them the first credible competitors to Amazon dominance. Will be interesting to see how this plays out.